#include<stdio.h>
#include<string.h>

int main()
{
	int arr1[] = { 1,2,3,4,5,6,7,8,9,10 };
	int arr2[10] = { 0 };
	memcpy(arr2, arr1, 20);
	int sz = sizeof(arr2) / sizeof(arr2[1]);
	for (int i = 0; i < sz; i++) {
		printf("%d ", arr2[i]);
	}
	return 0;
} 